Home / 1,115,702.12-1,539,678.30-606,404.36

Finding the Fourth Proportional to 1,115,702.12, 1,539,678.30 and 606,404.36

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Solution

The fourth proportional to 1,115,702.12, 1,539,678.30 and 606,404.36 is: 836,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,702.12 : 1,539,678.30 = 606,404.36 : x
  2. Step 2: Convert to fraction form
    1,115,702.12/1,539,678.30 = 606,404.36/x
  3. Step 3: Cross multiply
    1,115,702.12x = 1,539,678.30 × 606,404.36
  4. Step 4: Simplify right side
    1,115,702.12x = 933,667,634,117.39
  5. Step 5: Solve for x
    x = 933,667,634,117.39/1,115,702.12
  6. Step 6: Final answer
    x = 836,843.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.